Last and first frost dates in Sherbrooke

When is the last frost in Sherbrooke?

The last frost in Sherbrooke usually comes around 8 May: that is the median of 2016–2025, so in about half of those years the last night at or below 0 °C came later. Hardy crops start before it and frost-tender ones only after it: in the table below arugula can go into open ground from 17 April, while corn waits until 19 May. The first autumn frost follows around 27 October, about 172 days later: harvest or cover frost-tender crops before then.

When to sow and plant

Planting out: a week after the last frost once the soil is warm enough for the crop; frost-hardy crops three weeks before it; an unheated greenhouse three weeks earlier. Seedlings are sown so they are ready on that day. Each window starts on the Greenly calendar date and ends on the last day that still leaves the crop’s days to harvest (from its card) before the average first autumn frost, plus six weeks of picking for crops harvested over weeks (tomatoes, peppers, aubergines, cucumbers, courgettes, pumpkins, watermelons, beans) — our rule; earlier in the window is safer.

When the soil warms up in Sherbrooke

The day the top 7 cm of soil first averages each temperature over a week, median of 2016–2025 (ERA5 via Open-Meteo). The soil reaches 10 °C 6 days after the last spring frost and 15 °C 19 days after it.

Frost dates near Sherbrooke

Of the nearest cities on our list, the last spring frost ends earliest in Burlington (22 April) and latest in Montpelier (8 May).

Seeds, seedlings and markets in Sherbrooke

Within 15 km of Sherbrooke OpenStreetMap lists 3 garden centres, 2 markets and 5 farm shops (collected 20 October 2026). The nearest garden centre to the city centre is Jardin Floral, 5 km away.

• Jardin Floral — garden centre
  Rue King Est 2750, J1G 5H2 · 5 km
• Jardin Eden — garden centre
  Boulevard Bourque 5316, J1N 1H3 · 9 km · jardineden.ca
• Serres Yargeau — garden centre
  Chemin Édouard-Roy 3008 · 14 km

• Where to buy seeds and seedlings in Sherbrooke
• Selling your own harvest in Canada

Places: © OpenStreetMap contributors, ODbL.

Weather in Sherbrooke by month

Average weather in Sherbrooke over 2016–2025: the warmest month is July. Months that average 20 °C or more by day: June–September (20.3–25.1 °C). Nights average below 0 °C in November–April (-12.9–-0.1 °C). About 1220 mm of rain falls in a year, on 165 days; July is the wettest month (142 mm) and September the driest (73 mm).

Average of the daily highs and lows, rain per month and days with at least 1 mm (ERA5 via Open-Meteo, the same grid cell as the frost dates).

Planted in autumn

From a month before the first autumn frost, so the roots grow before winter, to the late-planting limit on each crop’s page (about two weeks before the ground freezes, by ten years of weather).